From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
10,000-mile test of a 25 HP chassis, concerning the use of Ethylene Glycol and clutch pedal pressure.
| Identifier | ExFiles\Box 151\3\ scan0153 | |
| Date | 9th November 1931 | |
| X1435 G.W.Hancock from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hotel de France, Chateauroux, Indre, France. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}1/AD9.11.31. X5840. 10,000 MILE TEST 25 HP. CHASSIS. We are sending out to you some Ethylene Glycol Prestone to run on the cooling system of this car. We are interested in the pedal pressure required to operate your clutch. We shall shortly have another one running here but in the meantime we should like you to give us the figure required at the commencement and the finish of pedal stroke. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||